Home / 13,384,712.32-18,469,403.84-7,582,251.20

Finding the Fourth Proportional to 13,384,712.32, 18,469,403.84 and 7,582,251.20

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Solution

The fourth proportional to 13,384,712.32, 18,469,403.84 and 7,582,251.20 is: 10,462,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,712.32 : 18,469,403.84 = 7,582,251.20 : x
  2. Step 2: Convert to fraction form
    13,384,712.32/18,469,403.84 = 7,582,251.20/x
  3. Step 3: Cross multiply
    13,384,712.32x = 18,469,403.84 × 7,582,251.20
  4. Step 4: Simplify right side
    13,384,712.32x = 140,039,659,429,124.61
  5. Step 5: Solve for x
    x = 140,039,659,429,124.61/13,384,712.32
  6. Step 6: Final answer
    x = 10,462,657.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.